Periodic Table and Group I

Periodic Table and Group I

By Angela Toh

Multiple Choice

Periodic law states that the elements are arranged according to their atomic ________ so that elements with similar chemical properties are in the same ________ and properties repeat periodically.

• numbers, rows

• masses, rows

• masses, column

• numbers, column

Multiple Choice

A row on the Periodic Table of Elements

• family

• period

• row

• isotope

Multiple Choice

A grouping of elements based on similar chemical properties, arranged by columns in the periodic table.

• group

• period

• row

• isotope

Multiple Choice

Which property of an atom or element will determine how it reacts with other elements or atoms?

• protons

• neutrons

• electrons

• valence electrons

Multiple Select

Metals (select all that apply)

• are found on the right side of the periodic table.

• are found on the left side of the periodic table.

• are good conductors of heat and electricity.

• are brittle.

• are malleable and ductile.

Multiple Select

Nonmetals (select all that apply)

• are found on the right side of the periodic table.

• are found on the left side of the periodic table.

• are good conductors of heat and electricity.

• are brittle.

• can be solid, liquids, or gases at room temperature.

Multiple Choice

Chemical bonds form when atoms

• combined nuclei
• give up neutrons
• gain protons
• share or transfer electrons

Multiple Choice

Which of the following electronic arrangements comes from a metal?

• 1

• 2,1

• 2,5

• 2,8,7

Multiple Choice

Where are the metals on the Periodic Table?

• To the left
• In the upper right hand corner
• On the zigzag line
• At the bottom

Multiple Choice

Where are the nonmetals on the Periodic Table?

• To the left
• In the upper right hand corner
• On the zigzag line
• At the bottom

Multiple Choice

Q. True or False: The reactivity of metals tends to decrease as you move from left to right across the periodic table.

• A) True

• B) False

Open Ended

What do you think of when you hear "Group I" elements?

Multiple Choice

Which statement about alkali metals is correct?

• Their reactivities decrease down the group

• They form covalent bonds with the halogens

• Their melting points decrease down the group

• They form oxides on reacting with water

Multiple Choice

Which of the following shows an appropriate arrangement of Group I metals based on reactivity (from more reactive to less reactive)?

• Na > Rb > Fr

• Cs > K > Li

• Rb > Cs > Na

• Fr > Li > K

Multiple Select

Which of the following are physical properties of Group I metals (choose all that apply)?

• low density

• low melting points

• react with water to produce hydrogen gas and metal hydroxide

• shiny, silvery metals

• soft metals

Multiple Choice

Which metal is the least dense?

• aluminium

• copper

• lithium

• potassium

Multiple Choice

Going down the group, how do the melting point of alkali metals change?

• decreases

• increases

• decreases, then increases

• none of the above

Multiple Choice

How does a group I alkali metal atom form an ion?

• lose 1 electron

• lose 7 electrons

• gain 1 electron

• gain 7 electrons

Multiple Choice

What is the charge of a group 1 metal ion?

• 1+

• 7+

• 1-

• 7-

Multiple Choice

Which gas is released when the alkali metals react with water?

• carbon dioxide

• hydrogen

• hydroxide

• oxygen

Multiple Choice

What is formed when sodium reacts with water?

• sodium oxide and hydrogen

• sodium hydroxide and hydrogen

• sodium hydroxide and oxygen

• sodium hydroxide and carbon dioxide

Multiple Choice

What are the products formed when a Group I metal reacts with water?

• Hydrogen gas and metal oxide

• Hydrogen gas and metal hydroxide

• Oxygen gas and metal oxide

• Oxygen gas and metal hydroxide

Multiple Choice

When an alkali metal reacts with water, the hydroxide produced dissolves to form and alkaline solution, True or False?

• True
• False

Multiple Select

Which of the following are chemical properties of alkali metals?

• react with non-metals to form covalent compounds

• react with non-metals to form ionic compounds

• react with other metals to form ionic compounds

• react readily with air to form basic oxides

• react readily with acids to form alkalis

Multiple Select

Which of the following are chemical properties of alkali metals?

• react readily with water to form alkalis

• react with non-metals to form ionic compounds

• react with other metals to form ionic compounds

• react readily with air to form basic oxides

• react readily with acids to form salts and hydrogen gas

Open Ended

Lithium, sodium and potassium are in Group I of the Periodic table. Describe practical experiments to show a trend in the reactivity of these three metals with a compound of your own choice. For one metal, name the chemical products of the reaction. [6]

Open Ended

Caesium, Cs, is also in Group I. How would the reaction of caesium differ with this same compound from (a)? Write a full chemical equation for this reaction. [4]

Open Ended

The Periodic Table is an arrangement of the elements in order of increasing atomic number. The elements lithium, sodium and potassium have atomic numbers, respectively of 3, 11 and 19.

Each of these metallic elements is placed in Group I of the Periodic Table. Describe how the

number and arrangement of electrons in these elements is related to their Group in the

Periodic Table. [3]

Open Ended

Rubidium is also in Group I. Suggest two physical properties of rubidium that are identical to the other elements in Group I. [2]

Open Ended

Suggest how rubidium, Rb, reacts with water. Name all the chemical products of the reaction and give their chemical formulae. [5]